Formby Bay Weather Forecast

    • 12
    • 27

    Shower or two

    • 14
    • 24

    Rain easing. Windy

    • 12
    • 23

    Cloudy

    • 13
    • 24

    Cloudy

    • 12
    • 25

    Cloudy

    • 13
    • 25

    Partly cloudy

    • 13
    • 27

    Sunny

Today 20 Dec Yorke Peninsula

Mostly sunny. Medium chance of showers in the south, slight chance elsewhere. Winds southeast to southwesterly 20 to 30 km/h becoming southeasterly 15 to 25 km/h in the evening. Daytime maximum temperatures 25 to 31.

Central Coastal Waters

Wind
South to southeasterly 10 to 15 knots tending east to southeasterly in the evening.
Seas
Below 1 metre.
1st Swell
Southerly 1.5 to 2 metres, tending southwesterly 1 to 1.5 metres by early evening, then decreasing to around 1 metre later in the evening.
Weather
Cloudy. 60% chance of showers. The chance of a thunderstorm later this evening.
Weather Situation
A broad trough of low pressure lies over east and northern parts of the State. This area of low pressure is expected to linger over the northeast today before moving east Sunday with the next low pressure system that develops south of the bight. A high pressure ridge then extends over the west and south during Sunday, and throughout by Monday. A persistent high pressure ridge remains over the State and Coastal Waters during Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Formby Bay Temperature Statistics View More

December Temperature

Stenhouse Bay (24km)

  • Lowest 3 December, 2025

    9.1 °C

  • Average December

    18.6 °C

  • Highest 17 December, 2025

    35.1 °C

Climate (2020–Present)

Stenhouse Bay (24km)

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  • Average Low 2020–2025

    13.1 °C

  • Average 2020–2025

    16 °C

  • Average High 2020–2025

    20.4 °C
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